"Marcio Mattos was born Rio de Janeiro, 20th March 1946; double bass, 'cello.

Studied acoustic guitar in early teens, switching to double bass and cello, mainly self-taught, after becoming interested in Jazz. Later entered the Villa-Lobos institute where he became involved in improvisation and electronic music. Since coming to Europe in 1970 has performed, recorded and broadcast both in Britain and abroad in groups including John Surman, Evan Parker, John Stevens, Keith Tippett, Derek Bailey's Company, Dewey Redman and Marylin Crispell amongst others. Has also worked with dance companies such as Ballet Rambert and The Extemporary Dance Theatre Company, and in electro-acoustic music groups such as the West Square Electronic Music Ensemble.

A long- standing member of the Eddie Prevost Quartet and various Elton Dean groups. Other current British projects include the "Bardo State Orchestra", Chris Burn's Ensemble, "Wooden Taps" with Maggie Nicols, "Embers" with John Butcher and others, "Lines" with Phil Wachsmann/Jim Denley and others, and "Full Monte" with Chris Biscoe, Brian Godding and Tony Marsh . International projects working in Europe have included Georg Graewe's Grubenklang Orchestra, Stefano Maltese's "Open Music Ensemble", Tony Oxley's Celebration Orchestra, "AXON"- trio with Phil Minton and Martin Blume , bass/cello and shakuhachi duo with Shiku Yano, and in Japan various groupings with Sabu Toyozumi and Keiko Midorikawa.

Also trained as a Ceramic artist at Goldsmiths college and continues to make and exhibit work in clay."